The value of the calculated percent markup of the cookie is 100%
Finding the the percent markup per cookieFrom the question, we have the following parameters that can be used in our computation:
The ingredients cost her $1.50 per cookieShe sells them for a higher price at $3.00 per cookieThe percent markup of the cookie is then calculated as
Percentage = (Selling price - cost price)/cost price
substitute the known values in the above equation, so, we have the following representation
Percentage = (3 - 1.5)/1.5
Evaluate
Percentage = 100%
Hence, the percent markup of the cookie is 100%
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You bike 2 miles the first day of your training, 2.3 miles the second day, 2.9 miles the third day, and 4.1 miles the fourth day. If you continue this pattern, how many miles do you bike the seventh day?
GAMES- two friends are playing a game with a 20 sided dye that has all of the letters of the alphabet except Q U V X Y and Z. What is the probabilty that the dye will land on a vowel?
The probability of the die landing on a vowel is 1 in 5, or 20%.
In this game, the 20-sided die has the letters A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, R, S, T, and W. To calculate the probability of the die landing on a vowel, we need to identify the vowels present on the die and then determine the probability.
The vowels on this die are A, E, I, and O. There are 4 vowels out of the 20 possible outcomes, so the probability of landing on a vowel can be calculated by dividing the number of successful outcomes (vowels) by the total number of possible outcomes (20 sides).
Probability = (Number of Vowels) / (Total Sides)
Probability = 4 / 20
Now, simplify the fraction:
Probability = 1 / 5
The probability of the die landing on a vowel is 1 in 5, or 20%.
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Which is a correct example of deductive reasoning?
A. Seven straight tosses of a number cube landed on 1. The next toss will land on 1.
B. Every bicyclist Lynn has seen was on a red bike. The next bicyclist Lynn sees will be on a red bike.
C. All rectangles have four sides. All squares are rectangles. Therefore, all squares have four sides.
D.
All tennis players are athletic. Erica is athletic. Therefore, Erica is a tennis player
C. All rectangles have four sides. All squares are rectangles. Therefore, all squares have four sides.
This is an example of deductive reasoning because it starts with a general statement (all rectangles have four sides) and then applies a specific example (squares are rectangles) to come to a logical conclusion (all squares have four sides).
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Aser these 5 math questions for branliest and points
The area of a triangle is (27 + 13sqrt(2)) square feet. if the length of the base is (6 + sqrt(2)) feet, find the height of the triangle in simplest radical form.
If The area of a triangle is (27 + 13sqrt(2)) square feet. if the length of the base is (6 + sqrt(2)) feet, then the triangle's height is (27 - 13sqrt(2)) / 17 feet.
We are given the area A and the length of the base b. We can use this information to solve for the height h as follows:
A = (1/2)bh
2A = bh
h = (2A)/b
Substituting the given values, we get:
h = (2(27 + 13sqrt(2))) / (6 + sqrt(2))
We can simplify this expression by rationalizing the denominator as follows:
h = [(2(27 + 13sqrt(2))) / (6 + sqrt(2))] * [(6 - sqrt(2))/(6 - sqrt(2))]
h = [(54 - 26sqrt(2)) / (34)]
h = (27 - 13sqrt(2)) / 17
Therefore, the triangle's height is (27 - 13sqrt(2)) / 17 feet.
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FY varies directly as X & Y equals eight when X equals eight what is the value of X when Y equals four?
The calculated value of X when Y equals four is four
Calculating the value of X when Y equals four?From the question, we have the following parameters that can be used in our computation:
Y varies directly as X &Y equals eight when X equals eightUsing the above as a guide, we have the following:
y = kx
Where
k = constant of variation
When Y equals eight when X equals eight, we have
8k = 8
So, we have
k = 1
This means that the equation is
y = 1 * x
Evaluate
y = x
When the value of y is 4, we have
4 = x
This gives
x = 4
Hence, the value of X when Y equals four is four
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If FY varies directly as X, we can write the equation as:
FY = kX
where k is the constant of variation. To find the value of k, we can use the fact that "Y equals eight when X equals eight":
8 = k(8)
Simplifying this equation, we get:
k = 1
Now we can use this value of k to find the value of X when Y equals four:
4 = 1X
Solving for X, we find that
X = 4
Therefore, when Y equals four, X equals 4 as well...
Gertrude bought a used car for $14,890. She was surprised that the dealer then added $1,280. 54 as a sales tax. What was the sales tax rate for this purchase? Round to one decimal place
The sales tax rate for Gertrude's car purchase was 8.6%.
Gertrude bought a used car for $14,890. She was surprised that the dealer then added $1,280. 54 as a sales tax. The total cost of Gertrude's car purchase, including the sales tax, was $14,890 + $1,280.54 = $16,170.54. Let x be the sales tax rate, expressed as a decimal. Then we can set up the equation:
$14,890 * x = $1,280.54
Solving for x, we get:
x = $1,280.54 / $14,890 ≈ 0.086
Multiplying by 100 to convert to a percentage, we get 8.6%. Therefore, the sales tax rate for Gertrude's car purchase was 8.6%.
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Jasmine plans to make and sell birdhouses this summer to earn extra money. She bought some woodworking tools for $286, and she will need to buy $12 worth of wood for each birdhouse. She plans to sell the birdhouses for $25 each.
How many birdhouses must Jasmine sell so that her sales equal the cost of the wood and tools?
Which quadratic function represents the graph below?
the answer options are
y=3/14(x-5)(x+10)
y=3/14(x+5)(x-10)
y=1/3(x-5)(x+10)
y=1/3(x+5)(x-10)
y=3/14(x-5)(+10)
Step-by-step explanation:
.........................
What is the equation for fahrenheit to celcius
Answer:
I believe it is
F = (9/5 x °C) + 32
Write out the base fine numerals in order from 1 base five to 100 base five
Here are the base five numerals from 1 to 100
1, 2, 3, 4, 10, 11, 12, 13, 14, 20, 21, 22, 23, 24, 30, 31, 32, 33, 34, 40, 41, 42, 43, 44, 100.
With the base five, every number can only take on the values of 0, 1, 2, 3, or 4.
After the number 4, we carry over to the following place value and start again with 0. So, for instance, the number after 4 in base five is 10, because we've carried over to the next place value and started with 0 again.
In this way, we can count all the way up to 100 in base five, using these 25 unique numerals.
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Write your answers in percent form, rounded to the nearest tenth of a percent. Determine the probability of 3 rainy days in a row when the probability of rain on each single day is 56% Answer: % Determine the probability of 3 sunny days in a row when the probability of rain on each single day is 56% Answer: %
The probability of 3 rainy days in a row when the probability of rain on each single day is 56% ≈ 17.6%
The probability of 3 sunny days in a row when the probability of rain on each single day is 56% ≈ 8.5%
To determine the probability of 3 rainy days in a row, you need to multiply the probability of rain on each single day (56%). In percent form, this would be:
56% × 56% × 56% = 0.56 × 0.56 × 0.56 ≈ 0.175616
To express this as a percentage rounded to the nearest tenth, we have:
0.175616 × 100% ≈ 17.6%
Now, to determine the probability of 3 sunny days in a row, you first need to find the probability of a sunny day, which is the complement of the probability of rain:
100% - 56% = 44%
Next, multiply the probability of a sunny day (44%) for three days:
44% × 44% × 44% = 0.44 × 0.44 × 0.44 ≈ 0.085184
To express this as a percentage rounded to the nearest tenth, we have:
0.085184 × 100% ≈ 8.5%
So, the probability of 3 rainy days in a row is approximately 17.6%, and the probability of 3 sunny days in a row is approximately 8.5%.
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The base of a solid is the region in the first quadrant between the graph of y=x2
and the x
-axis for 0≤x≤1
. For the solid, each cross section perpendicular to the x
-axis is a quarter circle with the corresponding circle’s center on the x
-axis and one radius in the xy
-plane. What is the volume of the solid?
A. pi/20
B. 1/5
C. pi/12
D. 1/3
The volume of the solid is π/20,
option (A). is correct.
What is volume?Volume is described as a measure of three-dimensional space. It is often quantified numerically using SI derived units or by various imperial or US customary units.
we have that the limits of integration for x are 0 and 1, because the solid lies in the region between x = 0 and x = 1.
Hence, we can say that the volume of the solid is given by:
V = ∫[0,1] (1/4)πx^4 dx
V = (1/4)π ∫[0,1] x^4 dx
V = (1/4)π (1/5) [x^5]0^1
V = (1/20)π
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The second of three numbers is 8 more than the first,
and the third number is 3 less than 3 times the first.
If the third number is 15 more than the second, find
the three numbers.
1st.
2nd
3rd
please help me! what is the Perimeter of base, Area of base, and Total surface area? PLEASE HELP
The perimeter of the base of the triangular prism =
The area of the base of the triangular prism =
The total surface area of the triangular prism =
What is a triangular prism?A triangular prism is a three-dimensional geometric shape that consists of two parallel triangular bases connected by three rectangular or parallelogram faces. The faces that connect the two bases are called lateral faces. The lateral edges are the edges that connect the lateral faces, and the base edges are the edges that form the triangles.
The perimeter of the base of the triangular prism
p = 10cm + 10cm + 12cm = 32cm
The area of the base of the triangular prism =
base area = (1/2) bh
= 1/2 × b × h = 1/2 × 12 × 8 = 48cm².
The total surface area of the triangular prism = (Perimeter of the base × Length of the prism) + (2 × Base Area)
= (32 + 34) + (2 × 48) = 66 + 96 = 162cm².
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1 point) Compute the double integral (either in the order of integration given or with the order reversed). /2 V1 + cas"" () cos(a) drdy sin (1) Integral =
The value of the double integral is zero.
The order of integration is dr dy, which means we first integrate with respect to r and then with respect to y.
Thus, we can write the integral as:
[tex]\int^0_{2\pi} \int^0_{1 + cos(a)}[/tex] r sin(θ) dr dy
Here, we have used the given limits of integration for r and y. Now, we integrate with respect to r first, treating y as a constant.
∫r sin(θ) dr = -cos(θ)r
We can substitute the limits of integration for r, which gives:
-cos(θ)(1+cos(a)) + cos(θ)(0)
Simplifying this expression, we get:
-cos(θ)(1+cos(a))
Now, we integrate this expression with respect to y, using the limits 0 to 2π for θ.
[tex]\int ^0_{2\pi}[/tex] -cos(θ)(1+cos(a)) dy
We can integrate this expression by treating cos(a) as a constant and using the formula for integrating cosine functions:
Integral of cos(x) dx = sin(x) + C
Thus, we have:
(1+cos(a)) Integral from 0 to 2π of cos(θ) dy
= - (1+cos(a)) [sin(2π) - sin(0)]
= 0
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Eric’s dad asks him to figure out the tax on the meal his family just finished eating at their favorite restaurant. The total bill for the meal is $57. 60. The tax is 7. 5%. What is the tax amount for this meal?
The tax amount for this meal is $4.32.
To calculate the tax amount on the meal, you'll need to multiply the total bill by the tax rate. In this case, the total bill is $57.60 and the tax rate is 7.5%.
To find the tax amount, use this formula: Tax Amount = Total Bill × Tax Rate
Tax Amount = $57.60 × 0.075
Tax Amount = $4.32
The tax amount for this meal is $4.32.
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Please hurry I need it ASAP
Answer:
x = 18
Step-by-step explanation:
We Know
(10x - 4) + (x - 14) must equal 180°
Find the value of x.
Let's solve
10x - 4 + x - 14 = 180
11x - 18 = 180
11x = 198
x = 18
So, x = 18 is the answer.
what is the perimeter of 6m,5m,3m,2m,3m,3m
find an expression which represents the difference when
(7x−10) is subtracted from (−5x+6) in simplest terms.
Answer: -12x + 16
Step-by-step explanation:
To find the difference between (−5x+6) and (7x−10), we need to subtract the second expression from the first. So we have:
(−5x+6) - (7x−10)
To subtract the second expression, we can distribute the negative sign to all the terms inside the parentheses:
-5x + 6 - 7x + 10
Then we can combine the like terms:
-12x + 16
Therefore, the difference between (−5x+6) and (7x−10) is -12x + 16.
Which expressions are equivalent to 2(2x + 4y + x − 2y)? (1 point)
Answer:
6x + 4y
Step-by-step explanation:
2(2x + 4y + x − 2y)
= 4x + 8y + 2x - 4y
= 6x + 4y
Evaluate the triple integral ∫∫∫ (x+8y)dV where E is bounded by the parabolic cylinder
y = 7x^2 and the planes
2 = 2x, y = 35x, and
2 = 0.
The triple integral ∫∫∫ (x+8y)dV where E is bounded by the parabolic cylinder is 512,604.17.
The triple integral is ∫∫∫(x+8y)dV.
Curves from the question are:
y = 7x², z = 2x, y = 35x, z = 0
Then, 7x² = 35x
Divide by x on both side, we get
7x = 35
Divide by 7 on both side, we get
x = 5
And z = 2x or z = 0. So
2x = 0
x = 0
Now the limits are:
x = 0 to x = 5
y = 7x² to y = 35x
z = 0 to z = 2x
Now the integral is
∫∫∫(x+8y)dV = [tex]\int_{0}^{5}\int_{7x^{2}}^{35x}\int_{0}^{2x}(x+8y)dzdydx[/tex]
Now first integrate with respect to z
∫∫∫(x+8y)dV = [tex]\int_{0}^{5}\int_{7x^{2}}^{35x}(x+8y)[z]_{0}^{2x}dydx[/tex]
∫∫∫(x+8y)dV = [tex]\int_{0}^{5}\int_{7x^{2}}^{35x}(x+8y)[2x-0]dydx[/tex]
∫∫∫(x+8y)dV = [tex]\int_{0}^{5}\int_{7x^{2}}^{35x}(2x^2+16xy)dydx[/tex]
Now integrate with respect to y
∫∫∫(x+8y)dV = [tex]\int_{0}^{5}\left[2x^2(y)_{7x^{2}}^{35x}+16x(\frac{y^2}{2})_{7x^{2}}^{35x}\right]dx[/tex]
∫∫∫(x+8y)dV = [tex]\int_{0}^{5}\left[2x^2(35x - 7x^2)+16x(\frac{1225x^2}{2}-\frac{49x^4}{2})\right]dx[/tex]
∫∫∫(x+8y)dV = [tex]\int_{0}^{5}\left[2x^2(35x - 7x^2)+8x(1225x^2-49x^4)\right]dx[/tex]
∫∫∫(x+8y)dV = [tex]\int_{0}^{5}\left[70x^3 - 14x^4+9800x^3-392x^5\right]dx[/tex]
∫∫∫(x+8y)dV = [tex]\left[\frac{70x^4}{4} - \frac{14x^5}{5}+\frac{9800x^4}{4}-\frac{392x^6}{6}\right]_{0}^{5}[/tex]
∫∫∫(x+8y)dV = [tex]\left[\frac{70(5)^4}{4} - \frac{14(5)^5}{5}+\frac{9800(5)^4}{4}-\frac{392(5)^6}{6}\right]-\left[\frac{70(0)^4}{4} - \frac{14(0)^5}{5}+\frac{9800(5)^4}{4}-\frac{392(5)^6}{6}\right][/tex]
∫∫∫(x+8y)dV = [10937.5 - 8750 + 1531250 - 1020833.33]-0
∫∫∫(x+8y)dV = 512,604.17
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The complete question is:
Evaluate the triple integral ∫∫∫(x+8y)dV where E is bounded by the parabolic cylinder.
y = 7x² and the planes
z = 2x, y = 35x, and
z = 0
The graph of the function h(x) is the result of reflecting the graph of f(x) over the x-axis and then translating 2 units up. Which equation defines h(x)?
Therefore, the equation of the function h(x) is: h(x) = -f(x) + 2.
What is graph?A graph is a visual representation of data that shows the relationship between two or more variables. It consists of two axes - the x-axis (horizontal) and the y-axis (vertical) - that intersect at a point called the origin. Each axis is divided into equally spaced intervals or units that represent the range of values for each variable. Data points are plotted on the graph by identifying their corresponding x and y values and locating them on the appropriate axes. The points are then connected by a line or curve that represents the pattern or trend in the data. Graphs are commonly used in various fields such as mathematics, science, economics, and business to help analyze and interpret data. Some common types of graphs include line graphs, bar graphs, scatter plots, pie charts, and histograms.
Here,
Let's assume the equation of the original function f(x) is y = f(x). To obtain the function h(x), we first reflect the graph of f(x) over the x-axis. This means that for any point (x, y) on the graph of f(x), the corresponding point on the graph of h(x) will be (x, -y).
Next, we translate the reflected graph of f(x) two units up. This means that for any point (x, -y) on the reflected graph, the corresponding point on the graph of h(x) will be (x, -y + 2).
Therefore, the equation of the function h(x) is:
h(x) = -f(x) + 2
This equation reflects the graph of f(x) over the x-axis (by negating f(x)) and then translates the reflected graph 2 units up (by adding 2).
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Complete question:
The graph of the function h(x) is the result of reflecting the graph of f(x) over the x-axis and then translating 2 units up. Which equation defines h(x)?
Practice writing and solving equations to solve number problems.
assessment started: undefined.
item 1
question 1
ansley’s age is 5 years younger than 3 times her cousin’s age. ansley is 31 years old.
let c represent ansley’s cousin’s age. what expression, using c, represents ansley’s age?
enter your response in the box.
Ansley's cousin is 12 years old, and Ansley's age can be found by plugging in 12 for Cousin's age.
How can we know that Ansley's age is 5 years less than 3 times her cousin's age?The problem tells us that Ansley's age is 5 years less than 3 times her cousin's age. We can write this as an equation:
Ansley's age = 3 × Cousin's age - 5
We also know that Ansley is 31 years old. So we can substitute 31 for Ansley's age in the equation:
31 = 3 × Cousin's age - 5
Now we solve for Cousin's age. First, we add 5 to both sides of the equation:
31 + 5 = 3 × Cousin's age
Simplifying:
36 = 3 × Cousin's age
Finally, we divide both sides by 3:
Cousin's age = 12
So Ansley's cousin is 12 years old, and Ansley's age can be found by plugging in 12 for Cousin's age in the expression we found earlier:
Ansley's age = 3 × Cousin's age - 5 = 3 × 12 - 5 = 31
So Ansley is indeed 31 years old.
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The mean of a sample is a. always equal to the mean of the population. b. always smaller than the mean of the population c. computed by summing the data values and dividing the sum by (n - 1) d. computed by summing all the data values and dividing the sum by the number of items
The mean of a sample is computed by summing all the data values and dividing the sum by the number of items in the sample. Thus, the correct answer is d.
Option a is incorrect because the mean of a sample is not always equal to the mean of the population, unless the sample is a complete representation of the population (which is often not the case).
Option b is incorrect because the mean of a sample can be greater than, equal to, or smaller than the mean of the population, depending on the sampling method and the characteristics of the population.
Option c is incorrect because the sample mean is computed by summing the data values and dividing the sum by the number of items in the sample minus one only if the sample is taken from a normally distributed population and the standard deviation of the population is unknown. Otherwise, the sample mean is computed by dividing the sum of the data values by the number of items in the sample.
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Larry is 32 years old and starting an IRA (individual retirement account). He is going to invest $250 at the beginning of each month. The account is expected to earn 3. 5% interest, compounded monthly. How much money, rounded to the nearest dollar, will Larry have in his IRA if he wants to retire at age 58? (
Larry could have about $139,827 in his IRA if he invests $250 at the beginning of each month and earns 3.5% interest compounded monthly, rounded to the nearest dollar
Assuming that Larry is starting his IRA at the beginning of his 32nd year, he could have 26 years until he retires at age 58.
Because he is investing $250 at the beginning of each month, that means he will be making an investment a complete of $3,000 consistent with year.
We are able to use the formula for compound interest to calculate the future value of his IRA:
[tex]FV = P * ((1 + r/n)^{(n*t)} - 1) / (r/n)[/tex]
Where FV is the future value, P is the primary (the quantity he invests every month), r is the interest charge (3.5%), n is the wide variety of times the interest is compounded consistent with year (12 for monthly), and t is the quantity of years.
Plugging within the numbers, we get:
[tex]FV = 250 * ((1 + 0.0.5/12)^{(12*26)} - 1) / (0.0.5/12) \approx $139,827[/tex]
Therefore, Larry could have about $139,827 in his IRA.
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Many types of bias exist when it comes to surveys, including nonresponse bias, undercoverage, and poorly worded survey questions. think about a survey you’ve been asked to participate in. maybe it was printed on a fast-food receipt or a store directed you to an online survey after you made a purchase. what influenced you to participate in the survey or to opt out of participating?
Analysis whether the biases were present in the survey or not .
The different types of biases are:
Nonresponse bias
Under coverage
Poorly worded
Given,
Biases in survey .
When it comes to surveys, there are several factors that can influence a person's decision to participate, such as the timing and location of the survey, the perceived relevance of the questions and incentives offered for participation. In some cases, people may opt-out of participating in a survey due to privacy concerns, lack of interest or distrust of the organization conducting the survey.
In terms of biases, survey designers should be careful of different types of biases that can affect the results, such as sampling bias, selection bias and response bias.
For example, if a survey is only given to certain demographics, the results may not be representative of the target audience.
Similarly, if the survey questions are worded in a leading or biased way, it can influence a person's response and skew the results.
It is important for survey designers to be aware of these biases and take steps to minimize their impact. This can include using random sampling techniques to ensure a representative sample, testing survey questions with focus groups to ensure they are clear and unbiased, and providing clear and transparent information about the purpose and use of the survey data. By taking these steps, survey designers can create surveys that produce accurate and reliable results.
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What is the perimeter of the triangle below
Answer:
16.7 units
Step-by-step explanation:
its a 45°-45°-90° right triangle, so n1=4.9
r=4.9[tex]\sqrt{2}[/tex] =6.9
perimeter = 4.9+4.9+6.9=16.7 units
Three friends play a game. jamila has 4. 5
more points than carter. carter has 7. 5 more
points than aisha. jamila has 26 points. write
and solve an equation to find the number of
points aisha has. show your work.
The required answer is x = 14
To solve this problem, we can use algebraic equations. Let's start by representing the number of points that Aisha has with the variable "x".
According to the problem, we know that Carter has 7.5 more points than Aisha, so we can write:
Carter = x + 7.5
An algebraic equation or polynomial equation is an equation in which both sides are polynomials (see also system of polynomial equations). These are further classified by degree: linear equation for degree one. quadratic equation for degree two.
We also know that Jamila has 4.5 more points than Carter, which means:
Jamila = (x + 7.5) + 4.5
a variable (from Latin variabilis, "changeable") is a symbol that represents a mathematical object. A variable may represent a number, a vector, a matrix, a function, the argument of a function, a set, or an element of a set.
Algebraic computations with variables as if they were explicit numbers solve a range of problems in a single computation. For example, the quadratic formula solves any quadratic equation by substituting the numeric values of the coefficients of that equation for the variables that represent them in the quadratic formula. In mathematical logic, a variable is either a symbol representing an unspecified term of the theory (a meta-variable), or a basic object of the theory that is manipulated without referring to its possible intuitive interpretation.
Finally, we know that Jamila has 26 points:
Jamila = 26
Now we can solve for x:
(x + 7.5) + 4.5 = 26
x + 12 = 26
x = 14
Therefore, Aisha has 14 points.
To show the work:
Aisha = x
Carter = x + 7.5
Jamila = (x + 7.5) + 4.5
Jamila = 26
(x + 7.5) + 4.5 = 26
x + 12 = 26
x = 14
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Lucas is fishing in a pond where there are exactly 3 walleye and 1 catfish. he has an equal chance of catching
each fish. if lucas catches a catfish, the game warden will make him stop fishing because catfish are currently
quite endangered in this pond.
when lucas catches a walleye, he keeps it so that he can feed his entire family. if he can catch all 3 walleye in
the pond, he can feed his family which is worth a total of $100 to him. if he can catch 2 walleye, he will only be
able to feed himself, which is worth $20 to him. any other outcome is worth $0 to lucas.
what is the expected value of lucas going fishing?
The expected value of Lucas going fishing is $26.56. This is calculated by multiplying the probability of each outcome (catching 0, 1, 2, or 3 walleye) by its corresponding payoff ($0, $0, $20, or $100) and adding the results.
To calculate the expected value of Lucas going fishing, we need to consider all possible outcomes and their respective probabilities
Lucas catches all 3 walleye Probability = (3/4) * (2/3) * (1/2) = 1/4 (since he has to catch each walleye in succession, with decreasing probabilities)
Value = $100
Lucas catches 2 walleye Probability = (3/4) * (2/3) * (1/2) * (1/4) * 3 = 9/32 (he has to catch 2 walleye in any order and then not catch the catfish in the remaining attempt)
Value = $20
Lucas catches 1 walleye Probability = (3/4) * (2/3) * (1/2) * (1/4) * (1/4) * 3 = 3/32 (he has to catch 1 walleye and then not catch the other two walleye and the catfish)
Value = $0
Lucas catches no walleye and no catfish Probability = (1/4) = 1/4 (since he has to catch the catfish)
Value = $0
Therefore, the expected value of Lucas going fishing is
E(X) = (1/4)$100 + (9/32)$20 + (3/32)$0 + (1/4)$0 = $26.56
So, on average, Lucas can expect to make $26.56 each time he goes fishing.
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